Wurtzite

  
 
  
Polished sample of wurtzite with sphalerite
Origin: Olmuz, Poland
Sample size: 8.7 x 7.4 x 1.9 cm (top), 11.4 x 9.7 x 1.0 cm (2nd/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
The miniature specimen shown above features a 1.2 x 2.5 cm open vug in matrix, this lined with sooty crude black crystals of wurtzite to 3.5 mm in length.
Origin: Silver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada
Sample size: 5 x 2.2 x 4.1 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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